This standard specifies the diameter series of rollers and dryers used in paper machines, board machines and pulp machines. This standard is applicable to paper machines, paperboard machines and pulp machines with a net width of no more than 6000 mm and a working speed of no more than 800m/min.
QB/T 1339-1991 history
2013QB/T 1339-2013 Paper Machine Roller and Dryer Diameter Series
1991QB/T 1339-1991 Paper Machine Roller and Dryer Diameter Series